feat: enhance support for 'intern' provider in settings and error handling

Author: Crokily

app/components/DocsAssistant.tsx

@@ -53,7 +53,9 @@ function DocsAssistantInner({ pageContext }: DocsAssistantProps) {
         const currentApiKey =
           currentProvider === "openai"
             ? openaiApiKeyRef.current
-            : geminiApiKeyRef.current;
+            : currentProvider === "gemini"
+              ? geminiApiKeyRef.current
+              : ""; // intern provider doesn't need API key
 
         console.log("[DocsAssistant] useChat body function called with:", {
           provider: currentProvider,
@@ -118,9 +120,14 @@ interface AssistantErrorState {
 
 function deriveAssistantError(
   err: unknown,
-  provider: "openai" | "gemini",
+  provider: "openai" | "gemini" | "intern",
 ): AssistantErrorState {
-  const providerLabel = provider === "gemini" ? "Google Gemini" : "OpenAI";
+  const providerLabel =
+    provider === "gemini"
+      ? "Google Gemini"
+      : provider === "intern"
+        ? "Intern-AI"
+        : "OpenAI";
   const fallback: AssistantErrorState = {
     message:
       "The assistant couldn't complete that request. Please try again later.",
@@ -176,14 +183,16 @@ function deriveAssistantError(
 
   let showSettingsCTA = false;
 
+  // For intern provider, don't show settings CTA for API key related errors
   if (
-    statusCode === 400 ||
-    statusCode === 401 ||
-    statusCode === 403 ||
-    normalized.includes("api key") ||
-    normalized.includes("apikey") ||
-    normalized.includes("missing key") ||
-    normalized.includes("unauthorized")
+    provider !== "intern" &&
+    (statusCode === 400 ||
+      statusCode === 401 ||
+      statusCode === 403 ||
+      normalized.includes("api key") ||
+      normalized.includes("apikey") ||
+      normalized.includes("missing key") ||
+      normalized.includes("unauthorized"))
   ) {
     showSettingsCTA = true;
   }

app/components/assistant-ui/SettingsDialog.tsx

@@ -51,9 +51,13 @@ export const SettingsDialog = ({
             <RadioGroup
               value={provider}
               onValueChange={(value) =>
-                setProvider(value as "openai" | "gemini")
+                setProvider(value as "openai" | "gemini" | "intern")
               }
             >
+              <div className="flex items-center space-x-2">
+                <RadioGroupItem value="intern" id="intern" />
+                <Label htmlFor="intern">InternS1 (Free)</Label>
+              </div>
               <div className="flex items-center space-x-2">
                 <RadioGroupItem value="openai" id="openai" />
                 <Label htmlFor="openai">OpenAI</Label>
@@ -90,6 +94,15 @@ export const SettingsDialog = ({
               />
             </div>
           )}
+
+          {provider === "intern" && (
+            <div className="space-y-2">
+              <div className="text-sm text-muted-foreground">
+                感谢上海AILab的书生大模型对本项目的算力支持，Intern-AI
+                模型已预配置，无需提供 API Key。
+              </div>
+            </div>
+          )}
         </div>
 
         <DialogFooter>

app/components/assistant-ui/thread.tsx

@@ -268,9 +268,19 @@ const Composer: FC<ComposerProps> = ({
   onClearError,
 }) => {
   const { provider, openaiApiKey, geminiApiKey } = useAssistantSettings();
-  const activeKey = provider === "openai" ? openaiApiKey : geminiApiKey;
-  const hasActiveKey = activeKey.trim().length > 0;
-  const providerLabel = provider === "gemini" ? "Google Gemini" : "OpenAI";
+  const activeKey =
+    provider === "openai"
+      ? openaiApiKey
+      : provider === "gemini"
+        ? geminiApiKey
+        : "";
+  const hasActiveKey = provider === "intern" || activeKey.trim().length > 0;
+  const providerLabel =
+    provider === "gemini"
+      ? "Google Gemini"
+      : provider === "intern"
+        ? "Intern-AI"
+        : "OpenAI";
 
   const handleOpenSettings = useCallback(() => {
     onClearError?.();

app/hooks/useAssistantSettings.tsx

@@ -10,7 +10,7 @@ import {
 } from "react";
 import type { ReactNode } from "react";
 
-type Provider = "openai" | "gemini";
+type Provider = "openai" | "gemini" | "intern";
 
 interface AssistantSettingsState {
   provider: Provider;
@@ -45,7 +45,12 @@ const parseStoredSettings = (raw: string | null): AssistantSettingsState => {
   try {
     const parsed = JSON.parse(raw) as Partial<AssistantSettingsState>;
     return {
-      provider: parsed.provider === "gemini" ? "gemini" : "openai",
+      provider:
+        parsed.provider === "gemini"
+          ? "gemini"
+          : parsed.provider === "intern"
+            ? "intern"
+            : "openai",
       openaiApiKey:
         typeof parsed.openaiApiKey === "string" ? parsed.openaiApiKey : "",
       geminiApiKey: